Haikouichthys lanceolata is one of the oldest fossil chordates known. It shares with lampreys some specific features of the eye and eye muscles. From this, we can infer that Haikouichthys probably possessed . View Available Hint(s) Haikouichthys lanceolata is one of the oldest fossil chordates known. It shares with lampreys some specific features of the eye and eye muscles. From this, we can infer that Haikouichthys probably possessed . vertebrae and jaws a cranium and vertebrae, but no jaws or paired fins a cranium but no vertebrae segmental muscles but no cranium Submit Provide Feedback Next
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Haikouichthys lanceolata is one of the oldest fossil chordates known. It shares with lampreys some s...
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